SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 874
   NWS STORM PREDICTION CENTER NORMAN OK
   105 PM CST SAT NOV 26 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          SOUTHWEST AND SOUTH CENTRAL LOUISIANA
          COASTAL WATERS
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 105 PM UNTIL
   700 PM CST.
   
   TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
   TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 30 STATUTE MILES
   NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTHWEST OF LAKE CHARLES
   LOUISIANA TO 35 MILES EAST OF INTRACOASTAL CITY LOUISIANA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU4).
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
   PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
   WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
   WARNINGS.
   
   DISCUSSION...MCS IS MOVING SLOWLY EWD INTO SW LA...AND THIS
   CONVECTION SHOULD CONTINUE EWD THROUGH THE AFTERNOON.  SEVERAL
   SUPERCELLS HAVE FORMED AND MERGED INTO THE CONVECTIVE LINE NEAR THE
   COAST AND OFFSHORE...THOUGH A RELATIVELY STABLE LAYER NEAR THE
   SURFACE HAS LIMITED ANY SEVERE THREAT INLAND TO THIS POINT.  AS THE
   L0W-LEVELS GRADUALLY DESTABILIZE THIS AFTERNOON ACROSS SRN LA TO THE
   E OF THE ONGOING STORMS...THE THREAT FOR DAMAGING WINDS AND A
   TORNADO OR TWO WILL INCREASE ACROSS THE COASTAL PARISHES.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
   GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
   MEAN STORM MOTION VECTOR 22025.
   
   
   ...THOMPSON